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Erie Doctrine - Coggle Diagram
Erie Doctrine
Does a claim in a federal court arise under state law and fall within diversity or supplemental jurisdiction?
Yes :check:
Is there a valid and controlling federal statute or U.S. Constitution or treaty provision?
Yes :check:
Federal law applies
No :red_cross:
Is the issue substantive or procedural?
Clearly substantive
Is the issue one that involves an unusually strong federal interest?
No :red_cross:
State law applies
Yes :check:
Federal practices and customs apply
Arguably procedural
Is the issue expressly covered by the FRCP?
Yes :check:
The court should apply the FRCP
No :red_cross:
Is the issue outcome-determinative?
2 more items...
No :no_entry:
Erie Doctrine is not implicated.